I keep getting a message to "Install Black Cartridge". have been doing this for years, so I know I ma installing the cartridge correctly. Door is shut. Everything seems normal. It just seems to not be recognizing that I have installed the cartridge. It's a LaserJet Pro MFP M127. I have tried...

Hi, I am working on AS400 development for 3 years in INDIA for MNC company. But i didn’t get a chance to travel to Onsite to work closely with clients. Some of my friends who had same experience in AS400 got jobs in US and UK and some other countries through some external sources. Now I don’t...

We have DWG files containing floorplans produced from AutoCAD 2011 which we need to be able edit. We have AutoSketch 2010. How can we either convert them to an earlier version or another format which we can edit?

Would there be a HDFS command to see if there's available free space in HDFS. I'm able to see it through the the browser using master:hdfsport. But unfortunately, I can't access it and I need a command. I can see disk usage but not free space. Appreciate the help.

I've been using MongoDB for over a month now and I have a blog post collection and each one has tags filled (which is an array). This is what it looks like: blogpost1.tags = ['tag1', 'tag2', 'tag3', 'tag4', 'tag5'] blogpost2.tags = ['tag2', 'tag3'] blogpost3.tags = ['tag2', 'tag3', 'tag4', 'tag5']...

I have and SQLCBL program that declares a cursor, opens the cursor, and then does a fetch to process the data in the cursor. The fetch is not always retrieving the first record in the file. It's my understanding that the open positions the pointer right before the first record and that the Fetch...

I've recently collected data from the Twitter Streaming API and now the JSON sits in a 10 GB text file. I'm looking to have R handle all the big data but I'm not sure if it could do a few things, such as: Read / process the data into a data frame Descriptive analysis Plotting Can R do this? Or do I...

We're trying to delete roughly 2 million rows from our PG database. We already have a list of IDs that need to be deleted but it's turning into a slow process. This is what I tried: DELETE FROM tbl WHERE id IN (select * from ids) So basically, this is taking about 2 days to finish. Is there a...

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